Author: Dan Andersson
Date: 05:39:37 03/15/02
Go up one level in this thread
On March 15, 2002 at 03:43:09, Dieter Buerssner wrote:
>On March 14, 2002 at 20:08:20, Dan Andersson wrote:
>
>>During some chess studying I found this position:
>>[D]r1nq3k/1pp1br1p/4p1p1/pPPpPp1B/Pn1P1P2/2N1B3/5P1P/1R1Q2RK w - -
>>It's a fairly linear solution:
>>1.Rxg6 hxg6 2.Bxg6 Qg8 3.Qh5+ Rh7 4.Bxh7 Qxh7 5.Qe8+ Qg8 6.Qd7 and black is in
>>dire trouble.
>
>To be honest, I am too weak to find a convincing win here for black.
>Out of curiosity, I let the position after 6. Qd7 play out.
>
>[Event "40 Züge in 120 min; 20 Züge in 60 min"]
>[Site "Engine Match"]
>[Date "2002.03.15"]
>[Round "1"]
>[White "Shredder 5"]
>[Black "Yace latest version"]
>[Result "1/2-1/2"]
>[SetUp "1"]
>[FEN "r1nq3k/1pp1br1p/4p1p1/pPPpPp1B/Pn1P1P2/2N1B3/5P1P/1R1Q2RK w - -"]
>
>1. Rxg6 {9s} hxg6 {6s} 2. Bxg6 {21s} Qg8 {2s} 3. Qh5+ {2s}
>Rh7 {4s} 4. Bxh7 {5s} Qxh7 {13s} 5. Qe8+ {4s} Qg8 {1s}
>6. Qd7 {15s} Bh4 {-0.44/11 4:00m} 7. Rg1 {+0.15/12 2:09m}
>Qf8 {-0.47/13 5:21m} 8. Qxe6 {+0.11/12 3:10m} Ne7 {-0.50/12
>2:44m} 9. Rg2 {0.00/12 2:52m} Re8 {-0.44/11 4:04m} 10. Kg1
9. Nb1! with the idea Nb1-d2-f3 to take out the essential black squared bishop
seems quite strong. For example 9. Nb1 Nd3 10. Nd2 Bxf2 11. Rg5! Bxe3 12. Rh5+
Kg7 13. Qh6+ Kf7 14. Qf6+ Ke8 15. Rh8 Ng8 16. Qe6+
Did I mention the motif is quite deep?
>{+0.10/12 5:36m} Ng8 {-0.21/12 2:55m} 11. Qg6 {+0.09/10
>18s} Re7 {-0.12/11 1:40m} 12. Qh5+ {+0.08/12 3:10m} Rh7
>{-0.06/12 2:54m} 13. Qf3 {+0.02/13 5:13m} Qf7 {-0.16/12
>2:54m} 14. Ne2 {+0.18/13 3:22m} Rg7 {-0.17/12 2:54m}
>15. Bd2 {+0.46/13 3:57m} c6 {-0.42/11 2:54m} 16. Rxg7
>{+0.27/12 3:05m} Qxg7+ {-0.19/11 2:54m} 17. Ng3 {+0.16/13
>3:48m} Ne7 {-0.24/11 1:27m} 18. Qh5+ {+0.22/13 5:53m} Qh7
>{-0.21/12 1:48m} 19. Qd1 {+0.22/12 1:29m} Qh6 {-0.17/11
>2:17m} 20. Qb1 {+0.34/12 3:01m} Kg8 {-0.33/11 1:59m}
>21. Kg2 {+0.38/11 2:55m} Kf7 {-0.24/11 1:37m} 22. Bxb4
>{+0.64/12 2:16m} axb4 {-0.43/12 4:59m} 23. bxc6 {+0.41/13
>6:17m} bxc6 {-0.43/11 2:32m} 24. a5 {+1.41/13 2:56m} Qxf4
>{-0.86/12 12:39m} 25. a6 {+1.10/15 9:12m} Nc8 {-0.87/11
>2:23m} 26. Qxb4 {+0.86/14 3:44m} Bxg3 {-0.28/11 2:31m}
>27. hxg3 {+0.40/12 2:08m} Qe4+ {-0.05/11 2:31m} 28. Kg1
>{+0.04/13 5:34m} f4 {0.00/11 2:31m} 29. gxf4 {+0.04/11
>1:31m} Qg6+ {0.00/11 2:31m} 30. Kh2 {+0.27/12 1:42m} Qh6+
>{0.00/11 2:31m} 31. Kg2 {+0.25/12 2:10m} Qg6+ {0.00/11
>2:31m} 32. Kf1 {0.00/14 1:08m} Qd3+ {0.00/11 2:31m} 33. Kg2
>{0.00/14 2:38m} Qg6+ {0.00/11 2:31m} 34. Kh3 {+0.13/12
>2:06m} Qh7+ {0.00/11 2:31m} 35. Kg3 {+0.14/12 32s} Qg6+
>{0.00/11 2:31m} 36. Kh4 {0.00/12 34s} Qh7+ {0.00/11 2:31m}
>37. Kg4 {0.00/8 16s} Qg6+ {0.00/11 1:50m} 38. Kf3 {0.00/12
>4s} 1/2-1/2
>
>Regards,
>Dieter
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